package com.mark.springboot.controller;

import com.mark.springboot.dao.DepartmentDao;
import com.mark.springboot.dao.EmployeeDao;
import com.mark.springboot.entities.Department;
import com.mark.springboot.entities.Employee;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.*;

import java.util.Collection;

/**
 * 员工管理
 * @author MARKCC
 * @date 2018/10/12-12:26
 * @email markerccc@163.com
 */
@Controller
public class EmployeeController {
    @Autowired
    EmployeeDao employeeDao;

    @Autowired
    DepartmentDao departmentDao;

    //查询所有员工返回列表页面
    @GetMapping("/emps")
    public String list(Model model){
        Collection<Employee> employees = employeeDao.getAll();

        //放在请求域中
        model.addAttribute("emps", employees);
        // thymeleaf默认就会拼串
        // classpath:/templatesxxx.html
        return "emp/list";
    }

    /**
     * 来到员工添加页面
     * @return
     */
    @GetMapping("/emp")
    public String toAddPage(Model model){
        //来到添加页面, 查出所有的部门, 在页面显示
        Collection<Department> departments = departmentDao.getDepartments();
        model.addAttribute("depts", departments);
        return "emp/add";
    }

    /**
     * 员工添加
     * SpringMVC将请求参数和入参对象的属性进行一一绑定,要求请求参数的名字,和javaBean入参的对象里面的属性名是一样的
     * @return
     */
    @PostMapping("/emp")
    public String addEmp(Employee employee){
        //来到员工列表页面
        System.out.println("保存的员工信息: " + employee);
        //保存员工
        employeeDao.save(employee);
        // redirect: 表示重定向一个地址   /代表当前项目路径
        // forward: 表示转发到一个地址
        return "redirect:/emps";
    }

    /**
     * 来到修改页面,查出当前员工, 在页面回县
     * @return
     */
    @GetMapping("emp/{id}")
    public String toEditPage(@PathVariable("id") Integer id, Model model){
        Employee employee = employeeDao.get(id);
        model.addAttribute("emp", employee);

        //页面要显示所有的部门列表
        Collection<Department> departments = departmentDao.getDepartments();
        model.addAttribute("depts", departments);

        //回到修改页面, add是一个修改添加二合一的页面
        return "emp/add";
    }

    /**
     * 员工id, 需要员工id
     * @param employee
     * @return
     */
    @PutMapping("/emp")
    public String updateEmployee(Employee employee){
        System.out.println("修改员工数据" + employee);
        employeeDao.save(employee);
        return "redirect:emps";
    }

    /**
     * 员工删除
     * @return
     */
    @DeleteMapping("/emp/{id}")
    public String deleteEmployee(@PathVariable("id") Integer id){
        employeeDao.delete(id);
        return "redirect:/emps";
    }
}
